1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 Dehumidifier capacity is generally measured by how many pints of water a unit removes from the air in 24 hours. 2  A mini-dehumidifier (1-10 pints) for a bathroom, closet or under a counter usually costs $40-$70.
2 Things You Need to Know to Choose the Right Dehumidifier. Dehumidifiers have become an essential appliance for homes and offices. In addition to keeping you comfortable, a dehumidifier can also prevent serious damage to your home that can be caused by excessive humidity in the air.